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Polymer Diagnostics Inc. 33587 Walker Road Avon Lake, Ohio 44012 United States +1 800 438 2335 +1 440 930 1644 fax Polymer Diagnostics Inc. is a contract laboratory with accreditation to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for both chemical and mechanical capacities. 1 7 . 2 8 . 2 5 i n 8 . 5 i n 1 7 C M Y K HC_Industry bulletin_PDI_fi nal.indd REMAY 78810 TR: 16.5000" x 11.6875" and 17.000" x 11.000" Digital/IAM BL: 17.2500" x 11.9375" FINAL: 8.2500" x 11.6875" and 8.500" x 11.000" 11 .6 8 7 5 in 2 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 8 . 5 i n 11 in i n Asset No. 78810 Polymer Diagnostics Inc. PDI has extensive experience with the testing of medical devices and materials including: • Catheters • Bio-implants • Surgical diagnostic devices • Medical tubing • Other disposable medical devices Issues often arise as a result of: • Improper design or choice of material • The environment of exposure • Processing conditions World-class people and capabilities under one roof • Failure Analysis/Prevention • Qualifi cation Support • Rheology • Polymer Characterization • Deformulation • Physical Testing • Litigation Support • Characterization of polymers in pharmaceutical delivery systems • Phthalate and BPA testing 1 7 . 2 8 . 2 5 i n 8 . 5 i n 1 7 C M Y K HC_Industry bulletin_PDI_fi nal.indd REMAY 78810 TR: 16.5000" x 11.6875" and 17.000" x 11.000" Digital/IAM BL: 17.2500" x 11.9375" FINAL: 8.2500" x 11.6875" and 8.500" x 11.000" 11 .6 8 7 5 in 2 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 8 . 5 i n 11 in i n Asset No. 78810 Polymer Diagnostics Inc. Polymer Diagnostics Inc. 33587 Walker Road Avon Lake, Ohio 44012 United States +1 800 438 2335 +1 440 930 1644 fax Polymer Diagnostics Inc. is a contract laboratory with accreditation to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for both chemical and mechanical capacities. 1 7 . 2 8 . 2 5 i n 8 . 5 i n 1 7 C M Y K HC_Industry bulletin_PDI_fi nal.indd REMAY 78810 TR: 16.5000" x 11.6875" and 17.000" x 11.000" Digital/IAM BL: 17.2500" x 11.9375" FINAL: 8.2500" x 11.6875" and 8.500" x 11.000" 11 .6 8 7 5 in 2 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 8 . 5 i n 11 in i n Asset No. 78810

Gravi-Tech™ Density Modified Formulations and Versaflex™ TPEs for Cosmetics Packaging (Chinese) Gravi-Tech™ Density Modified Formulations and Versaflex™ TPEs for Cosmetics Packaging Enhance your cosmetic packaging with Gravi-Tech and Versaflex solutions

 • Stable and controlled dielectric constant - from 2.6 to 23 • Very low losses even at mmWaves • Isotropic material - no glass fibers • Can be injection molded and machined APPLICATION BULLETIN STABLE RF PROPERTIES OVER A WIDE FREQUENCY RANGE 0 ,0 2 ,0 4 ,0 6 ,0 8 ,0 1 0 ,0 1 2 ,0 0 1 0 2 0 3 0 4 0 5 0 6 0 D ie le ct ri c co n s ta n t F re que nc y [G H z ] P R E P E R M ® P P E 95 0 P R E P E R M ® P P E 80 0 P R E P E R M ® P P E 44 0 P R E P E R M ® P P E 32 0 P R E P E R M ® P P E 26 0 LOW LOSSES UP TO mmWAVE FREQUENCIES* BATCH-TO-BATCH STABILITY DURING PRODUCTION * Measurements performed at VTT Technical Research Centre of Finland Ltd in 2018. D ie le ct ri c co ns ta nt Lo ss ta ng en t D ie le ct ri c co ns ta nt Frequency [GHz] Frequency [GHz] Pallet number (1250 kg/pallet) PREPERM™ PPE950 PREPERM™ PPE800 PREPERM™ PPE440 PREPERM™ PPE320 PREPERM™ PPE260 -- Dielectric constant target -- +/- 2% 3 ,7 6 3 ,7 8 3 ,8 0 3 ,8 2 3 ,8 4 3 ,8 6 3 ,8 8 3 ,9 0 3 ,9 2 3 ,9 4 0 1 2 3 4 5 6 7 8 D ie le ct ri c co n s ta n t P a lle t numbe r (1 2 5 0 k g/pa lle t ) D ie le c t ric c o n s t a nt t a rge t +/ - 2 % 0 ,0 0 0 0 ,0 0 2 0 ,0 0 4 0 ,0 0 6 0 ,0 0 8 0 ,0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 L o s s t a n g e n t F re que nc y [G H z ] P R E P E R M ® P P E 95 0 P R E P E R M ® P P E 80 0 P R E P E R M ® P P E 44 0 P R E P E R M ® P P E 32 0 P R E P E R M ® P P E 26 0 0 ,0 0 0 0 ,0 0 2 0 ,0 0 4 0 ,0 0 6 0 ,0 0 8 0 ,0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 L o s s t a n g e n t F re que nc y [G H z ] P R E P E R M ® P P E 95 0 P R E P E R M ® P P E 80 0 P R E P E R M ® P P E 44 0 P R E P E R M ® P P E 32 0 P R E P E R M ® P P E 26 0 0 ,0 0 0 0 ,0 0 2 0 ,0 0 4 0 ,0 0 6 0 ,0 0 8 0 ,0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 L o s s t a n g e n t F re que nc y [G H z ] P R E P E R M ® P P E 95 0 P R E P E R M ® P P E 80 0 P R E P E R M ® P P E 44 0 P R E P E R M ® P P E 32 0 P R E P E R M ® P P E 26 0 Copyright © 2022, Avient Corporation.

DARK GREY LIGHT GREY PP FR 8-6 LMS-1000

A NR II - 680/91; AKT NOTARIALNY Z 12.02.2002 R, NOTARIUSZ MAŁGORZATA Strona 1 z 8 Z. A NR 1434/2014, ZMIENIONO § 3 UST. 1, § 11 UST. 6, § 13 UST. 1 UMOWY SPÓŁKI, PONADTO W § 4 DODANO USTĘPY OD 36 DO 55 7 16.01.2015 R., KANCELARIA NOTARIALNA W WARSZAWIE, NOTARIUSZ TOMASZ CYGAN, REPERTORIUM A NR 1617/2015-PRZYJĘCIE NOWEGO TEKSTU UMOWY SPÓŁKI. 8 AKT NOTARIALNY Z DNIA 25.06.2015 R., REP. Podrubryka 1 Dane podmiotów powstałych w wyniku połączenia, podziału lub przekształcenia albo dane podmiotów przejmujących całość lub część majątku spółki Brak wpisów Podrubryka 2 Dane podmiotów, których majątek w całości lub części jest przejmowany w wyniku połączenia lub podziału 1 1.Nazwa lub firma SUD-CHEMIE POLSKA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ,------ 2.Kraj i nazwa rejestru lub ewidencji, w którym podmiot był zarejestrowany KRAJOWY REJESTR SĄDOWY Strona 7 z 8 3.Numer w rejestrze 0000063894 4.Nazwa sądu prowadzącego rejestr ******* 5.Numer REGON 191644344 Rubryka 5 ­ Informacja o postępowaniu upadłościowym Brak wpisów Rubryka 6 ­ Informacja o postępowaniu układowym Brak wpisów Rubryka 7 ­ Informacje o postępowaniach restrukturyzacyjnych, o postępowaniu naprawczym lub o przymusowej restrukturyzacji Brak wpisów Rubryka 8 ­ Informacja o zawieszeniu działalności gospodarczej Brak wpisów data sporządzenia wydruku 12.04.2021 adres strony internetowej, na której są dostępne informacje z rejestru: ekrs.ms.gov.pl Strona 8 z 8

PDICaseStudy.indd 8 . 5 i n 11 .6 8 7 5 in 8 . 7 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 11 in PDI Solution Boosts Long-Term Medical Device Performance Spinal disc replacement manufacturer relies on quality analysis and manufacturing solutions from Polymer Diagnostics to help its breakthrough product reach far beyond durability requirements. Asset No. 76593C M Y K PDICaseStudy.indd REMAY 76593 trim: 8.5in x 11in and 8.25in x 11.6875in bleed: 8.75in x 11.9375in Digital/IAM 8 . 5 i n 11 .6 8 7 5 in 8 . 7 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 11 in w w w. p o l y m e r d i a g n o s t i c s . c o m Copyright © 2008, Polymer Diagnostics Inc.

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POLYMER PRODUCT NAME PROPERTY PERFORMANCE TYPE DOSAGE/LDR MATERIAL CODE ABS FRABS92991 UL 94 Halogen 35% CC10292991WE ABS FRABS52399 UL 94 Halogen 5–14% CC10252399WE HDPE Cesa Flam MB 5101AH UL 94 Halogen 7–16% PEAN698479 Nylon Cesa Flam MB 5728H UL 94 Halogen 8–14% ABA0698450 Nylon Cesa Flam MB 5731NH UL 94 Non-halogen 8–20% ABAN698410 PC Cesa Flam NCA0820018NH UL 94 Non-halogen 2–4% NCA0820018 PC NCAN-Z0N-FN FLMRET 698419 UL 94 Non-halogen 3–8% NCAN698419 PE FRPE94802 ASTM E84 Non-halogen 100% CC103094802F PE FRPE41011 UL 94 Halogen 20–30% CC1034101160 PET Cesa Flam MB 5525NH UL 1441, UL 94 Non-halogen 6–8% NEAN698534 PET FRPET65462 UL 94 Non-halogen 5–12% CC103265462F PET/ PBT Cesa Flam MB 5532NH NFPA 701 Non-halogen 4–6% NBAN698451 PP Cesa Flam MB 5201H UL 94 Halogen 6–30% PPAN698410 PP Cesa Flam MB CT-1629NH Cal TB 133, UL 94 Film, NFPA 701 Non-halogen 6–8% PPAN698428 PP FRPP365370 UL 94 Non-halogen 10–20% CC103653702F PP Copolymer FRPP37654 UL 94 5VA Halogen 100% CC10337654WE PP Copolymer FRPP53484 UL 94 Halogen 10% CC1035348460 PS FRPS62722 ASTM E84 Halogen 2–4% CC10262722WE PS/HIPS Cesa Flam SLA0820014H UL 94 Halogen 4–8% SLA0820014H TPU Cesa Flam 98461NH UL 94 Non-halogen 6–14% RUA0698461 F-SERIES FLAME RETARDANT ADDITIVES HDPE/PE F-Series UL 94 Non-halogen 10–25% PEA0820024 PE F-Series UL 2335, FM 4998 Non-halogen 10–25% PEA0820069

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. sa=i&source=images&cd=&cad=rja&uact=8&ved=0CAgQjRw&url=http://www.casacriss.com/clients/&ei=k8PwVOe1LMaAygTc9oKICQ&psig=AFQjCNEFV8ug9KtNI6KNKJMKNt_DTFne-A&ust=1425151251896066 http://www.google.com/url? sa=i&source=images&cd=&cad=rja&uact=8&ved=0CAgQjRw&url=http://www.casacriss.com/clients/&ei=k8PwVOe1LMaAygTc9oKICQ&psig=AFQjCNEFV8ug9KtNI6KNKJMKNt_DTFne-A&ust=1425151251896066 http://www.google.com/url?